Whether for new construction projects or modernisations, Hörmann offers you suitable doors for every area of your home. Whether security doors for basements or the entrance to garages,fire-retarding doors for boiler rooms or multi-purpose doors for hobby rooms – our high-quality steel doors ensure that you feel perfectly comfortable and safe within your four walls.
Discover all advantages and functions of our steel doors with their individual design possibilities.
Security door KSI Thermo46
High security and the best thermal insulation

The KSI Thermo security door provides many advantages: thanks to a door leaf with thermal break, it offers the best thermal insulation and also comes with break-in-resistant RC 2 security equipment.
External door for
- Basements
- Heated outbuildings
- Garages with access to the home


KSI 40 Security Door
Additional security with the proven classic

Basement entrances, outbuildings and garages are often equipped with old doors that can be forced open in seconds. Always remember: if the basement door is open, the whole house is accessible. This is why we recommend the KSI security door with standard security equipment for these areas.
External doors for
- Basements
- Unheated outbuildings
- Free-standing garages

Garage connecting door with T30 fire protection
Secures the passage from the garage into the house

The use of a fire-rated door for the transition from the garage into the house is required by law due to the increased fire risk. With its tested T30 fire protection function, our new garage connecting door meets statutory regulations as it can withstand fire for up to 30 minutes. In addition, the door is smoke-tight, acoustic-rated and break-in-resistant. It also meets climatic class 3, featuring high dimensional stability despite large differences in temperature between the garage and the living area. The door is available in a flush-closing or rebated variant and with either impact-resistant Duradecor or brilliant real lacquer surface finish, depending on requirements. On request, the timber garage connecting doors are also available in a design matching our residential internal doors, to achieve a harmonious room design.
Internal door for
- Fire protection requirements, e.g. for the transition from the garage to the house







Multi-purpose doors MZ Thermo46 / MZ Thermo65
External door with thermal break and the best thermal insulation values

The multi-purpose doors are more than just extremely robust. Thanks to a thermal break, it features up to 49% better thermal insulation than a conventional multi-purpose door. It is available with or without glazing and in numerous colours and decor surfaces.
External door for
- Basements
- Heated outbuildings
- Garages with access to the home
- Work and hobby rooms

Multi-purpose door MZ
The stable and inexpensive internal and external door

Proven for over four decades, this multi-purpose door is stable, durable and weather-resistant, making it ideal for inside and outside. The MZ comes in a single-leaf or double-leaf design and is available with glazing on request.
Internal and external door for
- Unheated outbuildings
- Utility sheds
- Storage areas
Fire-rated door H8-5
The best-selling boiler room door in Europe

For decades, the H8‑5 fire-rated door has been providing optimum safety for boiler rooms and rooms with oil tanks. This door is the best example of how you can profit from Hörmann's expertise in fire protection.
Internal door for
- Boiler rooms
- Rooms with oil tanks

Multi-function door H3D
The functional door between garage and home
Due to fire hazards in garages, a fire-rated door between the house and garage is required by law. The H3D multi-purpose door is the best choice for this sensitive area. On request, this door can also act as a seal against smoke and engine noise and additionally protects your family from unwanted visitors with the WK 2 security package.
Internal door for the passage from the garage into the house.

Internal door ZK
The durable and inexpensive door

Over many years, Hörmann’s ZK doors have proven themselves as robust doors for the interior from basements to the roof. ZK doors do not warp and come with a high-quality surface that is durable, resistant to stains and easy to clean. Reliable quality at a low price.
Internal door for
- Basements
- Children’s rooms
- Entrance to an unrenovated loft
Comparison of our products
The classification of the individual doors shows you at a glance which functions the respective door fulfils and to what extent – from highly suitable (5 stars) to unsuitable (no stars).
Model | Break-in-resistant | Thermal insulation | Acoustic insulation | Fire-retarding | Load | Deformation resistance |
---|---|---|---|---|---|---|
Steel security door KSI Thermo | ||||||
Steel security door KSI | ||||||
Multi-purpose door MZ Thermo | ||||||
Multi-purpose door MZ Thermo65 | ||||||
Multi-purpose door MZ | ||||||
T30 fire-rated door H8-5 | ||||||
Multi-function door H3D | ||||||
Internal door ZK |
Good reasons to try a Hörmann function door
High quality steel doors
Sorry, there is no content available here.
All-inclusive service package
Out with the old, in with the new
At some point it is simply time to modernise your doors. Your Hörmann partner offers you an all-inclusive service package:
- Qualified consulting
- On-site measurement
- Environmentally-friendly disposal
- Professional fitting